Which type of narrator would an author use if he or she wanted to focus on the thoughts and feelings of only one character

In a fiction or story, first person narration is the best option if the author wants to limit the perspective of the story to one character only. First person narration enables readers to gain an in depth understanding of a character, his or her motives and inner mental life.

Explanation:

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yeah, i think its a good thing what do you think?

ccd puts the honeybee populations and crop health at risk.

the above detail from paragraph 2 supports the inference about honeybee.